Re: [LAU] RTC/HPET timer permissions

From: Clemens Ladisch <clemens@email-addr-hidden>
Date: Tue Nov 27 2012 - 14:32:02 EET

Jeremy Jongepier wrote:
> On 11/26/2012 03:03 PM, Clemens Ladisch wrote:
>> Jeremy Jongepier wrote:
>>> And how does the snd-hrtimer module relate to this matter?
>>
>> It's for some timers used internally by ALSA, and loaded automatically.
>
> In what kind of situations would it load automatically?

In theory, always. But it might be possible that it forgets to tell
udev about itself ...

> Does it improve MIDI timing for instance?

If the ALSA sequencer is used for MIDI event scheduling.

> How does it compare to the default timer setting?

It uses 1000 Hz. Typically, HZ is less than that.

Regards,
Clemens
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Received on Tue Nov 27 16:15:03 2012

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